四年级英语的重点句型包括：

询问时间

What time is it？

It’s 9 o’clock.

What time do you go to school？

描述物品

This is a red skirt.

These are yellow trousers.

He/She is wearing a green sweater.

This is a new sweater.

Are they new？

询问和回答

Is it cold today？

Yes, it is. / No, it isn’t.

What is she wearing？

She is wearing a green sweater, an orange skirt and a brown scarf.

Is this your cap？

No! It’s Kim’s.

日常对话

How are you？

I’m fine/I am very well/I’m ok.

And you？

What’s your phone number？

My phone number is …

How many boys can you see？

其他常用句型

It’s time to go to school.

Let’s play football.

She is a nice teacher.

She is a bit shy.

This is my friend, Kim.

Where is my pencil？

Where is Kim？

Whose pen is this？

What is Kim doing？

Is this your ruler？

What’s the date？

What day is it today？

这些句型涵盖了日常生活中的基本交流，包括问候、描述物品、询问时间和日常活动等内容，适合四年级学生学习和掌握。建议学生通过反复练习和实际应用来巩固这些句型。